Container sleeve



FIG. 1 is a front view of a container sleeve showing my new design, rear, left side, and right side views being identical;

FIG. 2 is a top view of the container sleeve;

FIG. 3 is a bottom view of the container sleeve;

FIG. 4 is a top front side perspective view of the container sleeve when not positioned on a container; and,

FIG. 5 is a top front side perspective view of an alternative embodiment of the container sleeve shown in use.

The broken lines in FIG. 5 are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a container sleeve, as shown and described. 